Bathroom Vanity Installation Cost: Carpenter Pricing Guide
Bathroom vanity installation costs $200-$500 for labor to install a stock vanity, $400-$800 for a semi-custom unit, and $1,500-$5,000 for a fully custom-built vanity. Countertop installation adds $200-$1,500 depending on material. A complete vanity replacement including removal, installation, countertop, and plumbing connections runs $800-$3,500 for stock units or $3,000-$8,000 for custom.
Bathroom vanity installation is a common and profitable service for carpenters. From swapping out a builder-grade vanity with a store-bought upgrade to building a custom double-sink vanity from scratch, these projects generate consistent revenue year-round. Bathrooms are the second most renovated room in the house, and the vanity is the centerpiece. This guide covers pricing for every type of vanity project.
Stock Vanity Installation Pricing
Stock vanities from Home Depot or Lowes are the most common installation. A standard 36-inch vanity with countertop and sink costs $300-$1,200 for the unit. Installation labor runs $200-$500 per vanity, covering: removal and disposal of the old vanity ($75-$150), positioning and leveling the new vanity, securing to wall studs, installing the countertop (if separate from the vanity), and connecting water supply lines and drain. Plumbing connection is where scope boundaries matter — clearly state whether your bid includes connecting to existing supply lines and drain (basic carpentry scope) or includes new supply valve installation, drain modification, or moving plumbing locations (plumber scope). Most carpenters connect to existing plumbing with simple compression fittings, which takes 30-45 minutes. Moving plumbing requires a licensed plumber at $150-$400 per connection. A standard stock vanity swap takes 2-4 hours total. Pedestal-to-vanity conversions take longer (4-6 hours) because they often require wall repair and plumbing modifications.
Custom Vanity Building Costs
Custom-built bathroom vanities are premium projects at $1,500-$5,000 for the cabinet alone, plus countertop. A custom vanity starts at $200-$400 per linear foot for paint-grade construction and $350-$600 per linear foot for stain-grade hardwood. A standard 48-inch double-sink vanity costs $1,200-$3,600 for the cabinet. Material costs: 3/4-inch plywood for the case ($100-$200), face frame material ($30-$60), doors and drawer fronts ($100-$300), drawer boxes and slides ($100-$250), hinges and hardware ($50-$100), and finishing materials ($50-$100). Total materials for a 48-inch vanity: $430-$1,010. Shop labor takes 20-40 hours at $50-$80 per hour. The key difference from kitchen cabinets is plumbing accommodation — the vanity must have cutouts for supply lines, drain, and possibly a P-trap recessed into the wall. Template all plumbing locations before building. On-site installation takes 3-6 hours including leveling, securing, and plumbing connections. Custom vanities are high-margin because they solve a common problem: standard sizes do not fit many bathrooms.
Vanity Countertop Options and Pricing
Countertop selection significantly impacts total project cost. Cultured marble vanity tops (the most affordable option with integrated sink) cost $100-$300 for a 48-inch top. Granite vanity tops run $200-$600 for prefabricated pieces or $40-$80 per sq ft for custom fabrication. Quartz costs $50-$100 per sq ft fabricated and installed. Marble costs $60-$120 per sq ft. Butcher block (a popular trend) runs $30-$60 per sq ft — seal with marine-grade polyurethane or tung oil for water resistance. Concrete countertops cost $65-$135 per sq ft. For carpenters, prefabricated granite and cultured marble tops are the easiest to install — they require no special tools and can be set and secured in 30-60 minutes. Custom stone countertops are typically fabricated and installed by a stone shop; coordinate with them and mark up their cost 10-15% or let the client contract directly. Vessel sinks (sitting on top of the counter) require a drain hole cut but no undermount clips or drop-in cutout, making them the simplest to install at $50-$100 for the countertop prep.
Floating Vanity Installation
Wall-mounted (floating) vanities are a modern trend that requires careful installation. The vanity must be secured to wall studs with heavy-duty French cleats or a structural mounting rail capable of supporting 200-400 pounds (vanity weight plus countertop, sink, and water load). If studs do not align with the vanity mounting points, install a 3/4-inch plywood backing panel inside the wall spanning multiple studs — this requires opening the wall, which adds $200-$500 for drywall removal, plywood installation, and drywall repair. Labor for floating vanity installation runs $300-$600, more than a standard floor-standing vanity because of the structural mounting requirements and precise leveling needed. Plumbing for a floating vanity should be roughed into the wall (not through the floor), which may require a plumber to relocate drain and supply lines at $300-$800. The advantage for the homeowner is a clean, modern look and easy floor cleaning. Present floating vanities as a premium option and price the mounting preparation separately from the vanity installation.
Mirrors, Medicine Cabinets, and Accessories
Bathroom accessories are natural add-ons that increase project value. Mirror installation costs $75-$200 per mirror for wall-mounted mirrors using French cleats or mirror clips. Framed mirrors at $100-$500 each are an easy upsell over builder-grade plate mirrors at $30-$100. Recessed medicine cabinets require cutting into the wall between studs — $200-$400 per cabinet for installation including drywall modification. Surface-mount medicine cabinets are simpler at $75-$150 for installation. Towel bars, toilet paper holders, and robe hooks cost $25-$75 per item to install, typically requiring drywall anchors or stud mounting. A complete bathroom accessory package (mirror, medicine cabinet, towel bar, TP holder, robe hook) adds $300-$700 to your project. Always ask about accessories during your vanity consultation — clients often forget these items until after the vanity is done, then call back for a separate trip. Bundling accessories with the vanity installation eliminates the callback and increases your project size.
How to Quote Vanity Installation Projects
Vanity projects should be quoted as complete packages. During your site visit, measure the bathroom space, note plumbing locations (supply and drain positions), check for level and plumb on walls and floors, and identify any obstacles (outlets, HVAC registers, door swings). Present a comprehensive quote covering: removal and disposal of old vanity, new vanity installation, countertop installation, plumbing connections (specify scope clearly), backsplash installation if applicable, and mirror and accessories. Break out custom work (building a vanity from scratch) from installation-only work — these are very different labor profiles. For custom vanity projects, require a 50% deposit before purchasing materials. Present good-better-best options: stock vanity swap (good), semi-custom with upgraded countertop (better), and fully custom-built with premium countertop and accessories (best). Bathroom renovations have high close rates because they are often need-based (damaged vanity, outdated fixtures) rather than want-based. Respond quickly to inquiries and deliver proposals within 48 hours.
Frequently Asked Questions
Stock vanity installation costs $200-$500 for labor, plus $300-$1,200 for the vanity unit. Custom vanity builds cost $1,500-$5,000 for the cabinet alone. A complete vanity replacement including removal, installation, countertop, and plumbing connections runs $800-$3,500 for stock or $3,000-$8,000 for custom. Add $200-$1,500 for the countertop.
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